Excerpt from Elements of Geology, Intended for the Use of Students
Djstribnt'gn of land and water, 7 -its temperature, 41 Crust of the earth, 8 Arctic current. 43 Means of Geological investiga Tides and currents reproduce tion, 9 land, 44 Elements - their number, 10 General result of atmospheric Minerals which compose most and aqueous agencies, 45 rocks, ll Igneous agency 46 Incessant changes, 12 Volcanoes-submarine, extinct.
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